1400204143 has 8 divisors (see below), whose sum is σ = 1573473888. Its totient is φ = 1236300384.

The previous prime is 1400204101. The next prime is 1400204147. The reversal of 1400204143 is 3414020041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400204143 - 2⁹ = 1400203631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400204143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400204147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341180 + ... + 2341777.

It is an arithmetic number, because the mean of its divisors is an integer number (196684236).

Almost surely, 2^1400204143 is an apocalyptic number.

1400204143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1400204143 is a deficient number, since it is larger than the sum of its proper divisors (173269745).

1400204143 is a wasteful number, since it uses less digits than its factorization.

1400204143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682993.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1400204143 is about 37419.3017438861. The cubic root of 1400204143 is about 1118.7433138475.

Adding to 1400204143 its reverse (3414020041), we get a palindrome (4814224184).

The spelling of 1400204143 in words is "one billion, four hundred million, two hundred four thousand, one hundred forty-three".